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Table 3 Multivariable analysis: factors associated with SpO2  <  97% during endotracheal intubation (ETI)

From: Oxygen reserve index for non-invasive early hypoxemia detection during endotracheal intubation in intensive care: the prospective observational NESOI study

Variable OR 95% CI P value
Duration of ETI (seconds) 1.00 [1.00; 1.01] 0.0494
BMI  >  25 kg·m−2 1.73 [0.45; 6.65] 0.1295
Highest ORI during preoxygenation 0.76 [0.61; 0.95] 0.0141
  1. OR odds ratio; 95% CI 95% confidence interval; ETI endotracheal intubation; BMI body mass index; ORI oxygen reserve index